This app was mentioned in 5 comments, with an average of 2.20 upvotes
You can have this for your android phone as a live wallpaper. It is called hexa time
There is also an android app that changes your background wallpaper depending on the time, based on the hex code. Pretty neat
https://play.google.com/store/apps/details?id=com.priyesh.hexatime
https://play.google.com/store/apps/details?id=com.priyesh.hexatime&hl=en
android live wallpaper